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authorn4hy2008-07-04 02:45:05 +0000
committern4hy2008-07-04 02:45:05 +0000
commitd1c82f20a2180782a666074c434812dbea3b8ca8 (patch)
tree4bd9e41594dd2f87bd9c874c49421d970ac57718 /gr-msdd6000/src/msdd_source_s.cc
parenta5c340d582265522d2fd7f42b9b02a672a2187c9 (diff)
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msdd6000 source upgraded and enabled
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8782 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gr-msdd6000/src/msdd_source_s.cc')
-rw-r--r--gr-msdd6000/src/msdd_source_s.cc130
1 files changed, 130 insertions, 0 deletions
diff --git a/gr-msdd6000/src/msdd_source_s.cc b/gr-msdd6000/src/msdd_source_s.cc
new file mode 100644
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--- /dev/null
+++ b/gr-msdd6000/src/msdd_source_s.cc
@@ -0,0 +1,130 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2006 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define MSDD_DEBUG2_TRUE
+
+#ifdef MSDD_DEBUG2_TRUE
+#include <iostream>
+#define MSDD_DEBUG2(x) std::cout << x << std::endl;
+#else
+#define MSDD_DEBUG2(x)
+#endif
+
+#include <msdd_source_s.h>
+#include <gr_io_signature.h>
+
+namespace {
+ static const int NBASIC_SAMPLES_PER_ITEM = 1;
+}
+
+msdd_source_s_sptr
+msdd_make_source_s (int which_board,
+ unsigned int decim_rate,
+ unsigned int fft_points,
+ double initial_rx_freq,
+ int opp_mode,
+ const char *src,
+ unsigned short port_src
+ ) throw (std::runtime_error)
+{
+ return msdd_source_s_sptr (new msdd_source_s (which_board,
+ decim_rate,
+ fft_points,
+ initial_rx_freq,
+ opp_mode,
+ src,
+ port_src
+ ));
+}
+
+
+msdd_source_s::msdd_source_s (int which_board,
+ unsigned int decim_rate,
+ unsigned int fft_points,
+ double initial_rx_freq,
+ int opp_mode,
+ const char *src,
+ unsigned short port_src
+ ) throw (std::runtime_error)
+ : msdd_source_base ("msdd_source_s",
+ gr_make_io_signature (1, 1, sizeof (int)),
+ which_board, opp_mode, src, port_src
+ )
+{
+
+ switch (sizeof_basic_sample()) {
+ case 1:
+ d_buffer_copy_behavior.reset(
+ new msdd::BufferCopyBehaviorGeneric<short, unsigned char>());
+ break;
+ case 2:
+ d_buffer_copy_behavior.reset(
+ new msdd::BufferCopyBehaviorGeneric<short, float>());
+ break;
+ case 4:
+ d_buffer_copy_behavior.reset(
+ new msdd::BufferCopyBehaviorGeneric<short, int>());
+ break;
+ default:
+ assert(false);
+ }
+
+}
+
+msdd_source_s::~msdd_source_s ()
+{
+}
+
+int
+msdd_source_s::ninput_bytes_reqd_for_noutput_items (int noutput_items)
+{
+ return noutput_items * NBASIC_SAMPLES_PER_ITEM * sizeof_basic_sample();
+}
+
+void
+msdd_source_s::copy_from_msdd_buffer (gr_vector_void_star &output_items,
+ int output_index,
+ int output_items_available,
+ int &output_items_produced,
+ const void *msdd_buffer,
+ int buffer_length,
+ int &bytes_read)
+{
+ MSDD_DEBUG2("copy_from_msdd_buffer: output_index: " << output_index << " output_items_available: " << output_items_available << " buflen: " << buffer_length)
+
+ unsigned nmsdd_bytes_per_item
+ (msdd_source_s::ninput_bytes_reqd_for_noutput_items(1));
+
+ unsigned int nitems = std::min (output_items_available,
+ (int)(buffer_length / nmsdd_bytes_per_item));
+
+ MSDD_DEBUG2("copy_from_msdd_buffer: nmsdd_bytes_per_item: " << nmsdd_bytes_per_item << " nitems: " << nitems)
+
+ (*d_buffer_copy_behavior.get())(output_items, msdd_buffer, output_index, nitems);
+
+ output_items_produced = nitems;
+ bytes_read = nitems * nmsdd_bytes_per_item;
+}